[3/8,v4] thermal: rcar: check irq possibility in rcar_thermal_irq_xxx()

Commit Message

Kuninori Morimoto Dec. 8, 2015, 5:27 a.m. UTC

From: Kuninori Morimoto <[e-mail]>

Current rcar thermal driver sometimes checks irq possibility when it
calls rcar_thermal_irq_enable/disable(), but sometimes not.
This patch checks it inside rcar_thermal_irq_enable/disable().

Signed-off-by: Kuninori Morimoto <[e-mail]>
---
v3 -> v4

 - no change

 drivers/thermal/rcar_thermal.c | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

Patch

diff --git a/drivers/thermal/rcar_thermal.c b/drivers/thermal/rcar_thermal.c
index a1a93f3..67b5216 100644
--- a/drivers/thermal/rcar_thermal.c
+++ b/drivers/thermal/rcar_thermal.c
@@ -298,6 +298,9 @@  static void _rcar_thermal_irq_ctrl(struct rcar_thermal_priv *priv, int enable)
 	unsigned long flags;
 	u32 mask = 0x3 << rcar_id_to_shift(priv); /* enable Rising/Falling */
 
+	if (!rcar_has_irq_support(priv))
+		return;
+
 	spin_lock_irqsave(&common->lock, flags);
 
 	rcar_thermal_common_bset(common, INTMSK, mask, enable ? 0 : mask);
@@ -449,8 +452,7 @@  static int rcar_thermal_probe(struct platform_device *pdev)
 			goto error_unregister;
 		}
 
-		if (rcar_has_irq_support(priv))
-			rcar_thermal_irq_enable(priv);
+		rcar_thermal_irq_enable(priv);
 
 		list_move_tail(&priv->list, &common->head);
 
@@ -496,8 +498,7 @@  static int rcar_thermal_remove(struct platform_device *pdev)
 	struct rcar_thermal_priv *priv;
 
 	rcar_thermal_for_each_priv(priv, common) {
-		if (rcar_has_irq_support(priv))
-			rcar_thermal_irq_disable(priv);
+		rcar_thermal_irq_disable(priv);
 		thermal_zone_device_unregister(priv->zone);
 	}